Grease-dispensing device



Jan. 19 1926. 1,570,031

J. BALDNER GREASE DISPENSING vDEVICE Filed March 21. 21 2 Sheets-Sheet 1WITNESS:

'f ATTORNEY.

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J. BALDNER GREASE DSPENS ING DEVICE Filed March 21 1921 2 Sheets-Sheet 2WITNESS:

Patented Jan. 19, 1926.

UNITED STATESd JACOB B'ALDNEB,'OF KENIA,

/ eniinsnmisrnnsme DvIcn.

Application led Hai-oh 21, 1921. Serial No. 453,978.

To all whom. t may concern:

Be it known that I, JACOB BALDNER, a citizen of the United States,residin uat Xenia, in the countyof Greene and tate l of Ohio, haveinvented certain new and useful Improvements in Grease-DispensingDevices, of which the following is a speciication.

My invention relates to dispensing-appal ratus for plastic andsemi-fluid material,

such as greases, paste and analogous substances, and particularly tomeans b which such materialsv are. discharged un er uniform pressurewith minimum effort. y The object of the invention is to simplify thestructure as well as-the means and mode of operationY of dispensingapparatus, whereby they will not only be chea ened in construction, butwill be more e cient in 0 use, positive in operation, uniform in action,easily operated and unlikely to get out of repair. A

A further object of the invention is to provide a dispensing deviceapplicable to 5 the original packages or containers of the materialwhereby such containers may be utilized as reservoirs until the supplyof material is discharged, thereby obviating thenecessity oftransferring such material D from the shipping packages to thedispensing device. y

With the abovepriinary and other incidental objects in view as will morefully appear in the specification, the invention i consists of thefeatures of construction, the 'parts and combinations thereof, and themode of operation or their equivalents as hereinafter described and setforth in the claims.

Referring to the drawing, Fig. 1 is a side elevation of a cask or barrelto which the .present invention has been applied. Fig. 2 is a front planview of the dispensing apparatus, detached from the reservoir orcontainer. Fig. v3 is a longitudinal sectional view on line 3-3 of Fig.2. Fig.'4 is a transverse sectional view on line 4 4 of Fig. 2.' Figs. 5and 6 are'side elevations at right angles one to the other, illustratinglthe use of a rectangular reser-voir in lieu of the barrel shown in Fig.1, and heretofore described, and also a different form of alternativemotor and hand operated driving means.

Like parts are indicated by similar 'characters of reference thruout theseveral views.

-tending thence into the While the dispensing apparatus has been herelnshown and described as detachably connected to a cask or barrel whichcontains a supply of grease or other material to be dispensed itis to beunderstood that the apparatus may be provided with a permanent receiveror reservoir to which a sup of material may be transferred as neeReferring to the drawing, 1 is the cask or container and 2 thedispensing apparatus which forms a base upon which thecask 1 rests. Thebase or housing 2 is provided with an upstanding flange 3 by which theapparatus is detachably connected to the cask or container 1. Thisupstanding flange 3 defines a receiving pocket or opening 4,

` the bottom of which comprises a plurality of parallel semi-circulargrooves or'recesses 5, communicating with concentric bores or circularpassages 6, which extend beyond the receiving opening 4. Located in eachof the ockets 5 and exores or passages 6 is a series of revoluble spiralconveyors 7. These conveyors 7 extend a sufficient distance thru thepassages or bores6 to afford ample lbearing therein for the conveyorscrews, while at the opposite end these conveyor screws 7 are providedwith trunnions or drive shafts 8. These trunnions 8 extend thru theterminal wall of the receiving recess 4 and into a pocket or chamber 9vformed in the housing 2, adjacent to the receiving opening 4 in whichare located a plurality of intermeshing gear pinions semi-circulargrooves or 1 0, mounted upon the respective shafts or trunnions 8 of theconveyor screws. The trunnion shaft of one of the conveyor screws isextended beyond the housing or base 2 as indicated at 11 to afford acollar or drive connection for the series of conveyor screws 7. Theseconveyor screws 7 may be rotated either by suitable motive power, or byhand operation, as is found most convenient. In Fig. 1 of the drawing,the Shaft extension 11 is shown provided with a bevel gear pinion 12,with whichv meshes a second pinion 13 upon a crank shaft 14, to bemanually rotated by the crank 15, to actuate the conveyor screw 7. Thiscrank shaft 14 has been shown mounted iii a bracket 16 rotatable uponthe.. shaft extension 11, whereby the crank shaft 14 may be adjusted toany convenient radial position in relation with the driving shaftextension 11, while maintaining operative driving engagement between thebevel gear pinions 12 andl 13. A retaining cli or 'support 17 has beenshown attache to the Cask 1, with which the crank shaft may be engagedand supported in upright position when not in use.

In addition to the manually operable driving mechanism before mentioned,the power shaft extension 11 is further provided with agear pinion 18meshing with a driving pinion 19, actuated by any suitable driving motoras at 20. It is to be understood that the motor drive connectiondisclosed is for illustrative purposes only, and that any other form ofdriving connection such as a belt or chain drive or a connection to anexplosive engine or hydraulic motor may be substituted therefor. Theintermeshing gear pinions 10 within the pocket 9 will of course drivethe conveyor screws in reverse directions. The succeeding helices aretherefore reversed.

The screw conveyors 7 receiving the material thru the access or inletopening 4:

discharges it under compression thru the.

passages or bores 6 into a discharge chamber 20 in the head of thehousing 01 base 2, which discharge chamber is common to all of the boresor passages 6. Leading from the discharge chamber 20 is an outletconduit 21, with which communicates either a flexible hose or adistribution pipe. In Fig. 1 there has been shown an upstanding pipe 22,communicating with the outlet 21 to the upper end of which are attacheda plurality of elbows 23 affording in effect a universal connection fora flexible hose 24.

The apparatus heretofore described will h ave a Wide ranve of use indispensing plastics and semi-fluids of various character, but will befound especially desirable for dispensing grease in a garage, enablinthe grease to be discharged from the originaliv barrel or containerdirectly into the differential housing of a motor vehicle, Without beinghandled.

In applying the apparatus to the cask or container the latter will beprovided with a rectangular orifice in the head 0r top of the barrel,around which will be secured a metallic flange 25. This ange, 25ermanently secured to the barrel or container b suitable screws, willalso be provided with7 screw threaded holes re istering with like holes26 inthe outurne head or ledge 27 of the upstanding fiange 3 of theapparatus.

The dispensing apparatus heretofore de-v scribed is secured in invertedposition to the top or head of the cask or barrel 1 containing thematerial to be dispensed, by means' of studs or screws 28, extendingthru the lateral flanges or ledges-127 of the housing, and thence engaing in the marginal iiange 25 of the barre opening. The apparatus beingsecured to the cask or barrel, the latter is then inverted. as shown inFig. 1, whereupon the housing 2 becomes the base or support for thebarrel or cask 1. The contents of the barrel will descend by gravitythru the open lower end into the receiving opening 4 of the dispensingapparatus and into direct engagement with the screw conveyors. Thelatter by their rotation simultaneously discharge the material laterallythru the passages 6 into the discharge chamber 20, and thence thru theoutlet 21, under pressure. In Figs. 5 and G there has been shown in lieuof the original container for the lubricant or barrel 1, a rectangularreservoir 30 mounted upon the base 2. The objecting means in thisinstance is the same as that heretofore described.

Projecting laterally from the reservoir or container 30, at the topthereof to which it is attached by bolts 30, is a bracket 31, carryingbearing standards 32 for a transversely arranged jack shaft 33. Thisshaft 33 is adapted to be rotated by a detachable crank 34, and carriesa bevel gear 35 meshing with a corresponding gear 36 on the upper end ofthe drive shaft 14', corresponding with the shaft 14 of Fig. 1. As shownin Fig. 1, the shaft 14 carries at its lower end a bevel gear pinion 13meshing with a corresponding gear 12 upon the ejector shaft asheretofore described.

Mounted upon a shelf 36 projecting laterally adjacent to the base of thereservoir is a driving motor 37, having upon the motor shaft a worm gear38 meshing with a worm wheel 39, loosely journalled upon the drive shaft14. Fixedly carried by the drive shaft 14 adjacent to the worm wheel 39is a ratchet wheel 40, the teeth of which are operatively engaged by adrive pawl 41, carried by the Worm wheel 39.

The construction is such that upon hand actuation by means of the crankto rotate the shaft 33. the drive shaft 14' is rotated carrying with itthe ratchet wheel 40. The drive shaft 14 will rotate freely within theworm gear 39, while the pawl V41 operates idly from tooth to tooth asthe ratchet wheel 40 is -rotated beneath the pawl. However, when thedevice is to be motor driven, the rotation of the Worm Wheel 39 underthe inluence of the worm 38 upon the motor shaft causes the pawl 41 toengage with the ratchetV wheel 40 and thereby rotate the drive shaft 14independent of manual operation. The rotation of the shaft 14 1n eitherevent thr'u the medium of the intermeshinfg ears 12k and 13 effects therotation o t e ejector screws 7, as heretofore described.

From the abovedescription it will be apparent that there is thusprovided a device of the character described possessing the t particularfeatures of advantage before enumerated as desirable, but whichobviously is susceptible of modifica-tion in its form, proportions,detail construction and arrangement of parts without departing from theprinciple involved or sacrificing any of y its advantages.

'While in order to comply with the statute the invention has beendescribed in language more or less specific as to structural features,it is to be understood that the invention is not limited to the specificdetails shown, but that the means and construction herein disclosedcomprise but one of several modes of putting the invention into effect,and theinvention is therefore claimed in any of its forms ormodifications within the legitimate and valid scope of the appendedclaims.

Having thus described my invention, I claim: v v

1. In an .apparatus for dispensing semi solids from a reservoirincluding a base member, a series of independent channels thereinextending in parallel relation and all communicating with the interiorof the common reservoir, each channel terminating in a bore, a pressurechamber common to all the bores, conveyor screws located in thechannels,. and extending `thence into said bores, the helical directionof the pitch of successive screws being reversed, intermeshing drivinggears for the several screw conveyors, for rotating the succeedingscrews in reverse directions, actuating means therefor and a conduitleading from the pressure chamber of less capacity than the combinedcapacity of the several screw7 conveyors.

2. In an apparatus for dispensing semisolids from a reservoir includinga base member, a plurality of conveyor screws therein arranged inparallel relation closely adjacent to each other and exposed in thebottom of the reservoir which is common to the plurality of conveyorscrews, a pressure chamber separated from the reservoir into which allof the screws discharge, actuating means for simultaneously rotating thescrews and a discharge conduit leading from the pressurechamber of lesscapacity than the combined capacity of the conveyor under pressure, andan outlet conduit from the chamber of reduced capacity.

4. An apparatus for dispensing semisolids from a container having anaccess opening, including a base upon which the container may be mountedin inverse position, said base having a channeled recess thereinregistering with the access opening of the inverted container, aplurahty of screw conveyors located one in each channel and exposedthrough said channeled recess to the contents of the inverted container,a pressure chamber formed in said base, a series of bores formingcontinuations of the several channels and affording communicationbetween the chamber and the channelled recess means for rotating theconveyor screws in unison to transfer material from the channeled recessto the chamber and store it therein under pressure, and an outletconduit leading therefrom having less capacity than the combinedcapacity of the conveyor screws.

5. In an apparatus for dispensing lubricant and the like, a plurality ofspiral conveyors located side by side at the bottom of a supplyreservoircommon to all the conveyors and cooperating one with another to ejectthe contents of the reservoir in comparatively large volume, a pressurechamber common to al1 of the conveyors into which the commodity isdischarged under pressure, a discharge conduit leading from the pressurechamber having a discharge capacity materially less than the combinedcapacity of the conveyors whereby an excess of commodity is accumulatedunder pres sure in said pressure chamber to insure a uniform rate ofdischarge through the outlet conduit, .and means for actuating theconveyors in unison.

6. In an apparatus for dispensing semi solids, a container, a channeledbottom for the container, conveyor screws located side by side in thechannels of said bottom, a pressure chamber into which the screwsdischarge the material from the container under pressure, an outlettherefrom of reduced capacity, and means for actuating the screws,including a main drive shaft, a drive gear mounted upon said drive shafta non-reverse clutch engagement between t el drive gear and the shaftpermitting independent rotation of theY shaft relatively to the ear inone direction but engaging said mem ers for unison rotation in the samedirection under driving influence of the gear, and means for effectingoperative vrotation of the shaft independent of said driving gear.

In testimony whereof, I have hereunto set my hand this 18th day ofFebruary A. D.l 1921. v

JACOB BALDNER.

